X Factor star took to her Instagram Grid as she revealed a before and after snap which has seen her drop three dress sizes in two years.Lucy, 29, was seen posing in front of a mirror wearing a green sports bra and black leggings in the selfie which she took two years ago in order to document her journey.Going au-natural for the snap, Lucy's slimmed-down figure was on full display as she gazed at the screen of her iPhone.Her second snap saw Lucy pose in front of her bedroom mirror while displaying a completely different look.The Sheffield-born songstress raised her white t-shirt as her washboard abs took centre stage.Lucy beamed from ear-to-ear as her six-pack shone through in her selfie.The Beer Fear singer revealed that she had lost a.
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